Working Paper No. 645

Peer Effects and Social Networks in Education and Crime

Publicerad: July 5, 2005Antal sidor: 37Nyckelord: Centrality Measure; Peer Influence, Network Structure, Delinquency; School PerformanceJEL-koder: A14; I21; K42

Peer Effects and Social Networks in Education and Crime Antoni Calvó-Armengol, Eleonora Patacchini and Yves Zenou


This paper studies whether structural properties of friendship networks affect individual outcomes in education and crime. We first develop a model that shows that, at the Nash equilibrium, the outcome of each individual embedded in a network is proportional to her Bonacich centrality measure. This measure takes into account both direct and indirect friends of each individual but puts less weight to her distant friends. Using a very detailed dataset of adolescent friendship networks, we show that, after controlling for observable individual characteristics and unobservable network specific factors, the individual's position in a network (as measured by her Bonacich centrality) is a key determinant of her level of activity. A standard deviation increase in the Bonocich centrality increases the level of individual delinquency by 45% of one standard deviation and the pupil school performance by 34% of one standard deviation.

 

Glädjeparadoxen

Historien om skolans uppgång, fall och möjliga upprättelse

Glädjeparadoxen.gif

Den här boken, författad av Gabriel Heller Sahlgren och Nima Sanadaji, spårar rötterna till den svenska skolans problem via en djupdykning i forskning och modern historia. På 1800-talet slog den progressiva utbildningsfilosofin igenom, med fokus på glädje, elevdemokrati och elevledd undervisning. Problemet var bara att den nya pedagogiken inte fungerade som det var tänkt. Forskningen tyder inte på att elever lär sig mer när de har roligt.

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